Norimasa was the son of [[Uesugi Norifusa]] and the head of the Yamauchi branch of the [[Uesugi clan|Uesugi]] and struggled to contain the expansion of the [[Hojo clan|Hôjô]]. He joined [[Uesugi Tomosada]] of the Ogigayatsu-Uesugi in defeat at [[Battle of Kawagoe|Kawagoe]] ([[1545]]) and in [[1551]] lost [[Hirai castle]] in [[Kozuke province|Kôzuke province]]. He fled to [[Echigo province|Echigo]] and sought the protection of his vassal [[Nagao Kagetora]]. Kagetora readily took Norimasa into his care and was later officially adopted by him. Norimasa was later given land in Kôzuke but after Kenshin's death Norimasa supported [[Uesugi Kagetora]] in the latter's civil war with [[Uesugi Kagekatsu]]. Norimasa was killed following Kagetora's defeat. | Norimasa was the son of [[Uesugi Norifusa]] and the head of the Yamauchi branch of the [[Uesugi clan|Uesugi]] and struggled to contain the expansion of the [[Hojo clan|Hôjô]]. He joined [[Uesugi Tomosada]] of the Ogigayatsu-Uesugi in defeat at [[Battle of Kawagoe|Kawagoe]] ([[1545]]) and in [[1551]] lost [[Hirai castle]] in [[Kozuke province|Kôzuke province]]. He fled to [[Echigo province|Echigo]] and sought the protection of his vassal [[Nagao Kagetora]]. Kagetora readily took Norimasa into his care and was later officially adopted by him. Norimasa was later given land in Kôzuke but after Kenshin's death Norimasa supported [[Uesugi Kagetora]] in the latter's civil war with [[Uesugi Kagekatsu]]. Norimasa was killed following Kagetora's defeat. |